Effect of Impulse Turbine Geometry on the Performance of a Dual-Turbine System for Wave Energy Conversion

Manabu Takao; Haruka Katsube; M. M. A. Alam; Seisuke Fukuma; Shinya Okuhara; Yoichi Kinoue

doi:10.5293/IJFMS.2018.11.1.110

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자료유형: 학술저널

저자정보: Manabu Takao (Matsue College) Haruka Katsube (Matsue College) M. M. A. Alam (Matsue College) Seisuke Fukuma (Matsue College) Shinya Okuhara (Matsue College) Yoichi Kinoue (Saga University)

저널정보: 한국유체기계학회 International Journal of Fluid Machinery and Systems International Journal of Fluid Machinery and Systems Vol.11 No.1

발행연도: 2018.3

수록면: 110 - 114 (5page)

DOI: 10.5293/IJFMS.2018.11.1.110

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Wells turbine, widely used to harness the wave energy, has high efficiency at a low flow rate. However, it has severe stall problem. In order to alleviate this problem, a dual-turbine system of Wells turbine with a booster impulse turbine was proposed. In the present study, the effect of impulse turbine geometries on the performance of combined turbine system was investigated by CFD analysis. As a result, the boosting effect of impulse turbine depends on the pressure differences that caused by the setting angles at a high flow rate. Moreover, the decrease of flow rate with the setting angle has a significant influence on the efficiency.

#Fluid Machinery #Impulse Turbine #Wave Energy Conversion #Wells Turbine

참고문헌 (5)

참고문헌 신청

[학술지(정기간행물)] - Raghunathan, S. / 1995 / The Wells Air Turbine for Wave Energy Conversion / Progress in Aerospace Sciences 31 (4) : 335 ~ 386

[학술지(정기간행물)] - Katsuya Takasaki / 2016 / Wells Turbine for Wave Energy Conversion -Effect of Trailing Edge Shape- / International Journal of Fluid Machinery and Systems 9 (4) : 307 ~ 312

[학술지(정기간행물)] - Takao, M. / 2006 / Effect of Blade Profile on the Performance of Large-Scale Wells Turbine for Wave Energy Conversion / International Journal of Sustainable Energy 25 (1) : 53 ~ 61

[학술지(정기간행물)] - Okuhara, S. / 2013 / Wells Turbine for Wave Energy Conversion - Improvement of the Performance by Means of Impulse Turbine for Bi-Directional Flow / Open Journal of Fluid Dynamics 3 (2A) : 36 ~ 41

[학술대회논문] - Takao, M. / 2017 / A Dual-turbine System for Wave Energy Conversion / Proceedings of 12th European Wave and Tidal Energy Conference

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